5169239900 has 72 divisors (see below), whose sum is σ = 12291036240. Its totient is φ = 1871424000.

The previous prime is 5169239899. The next prime is 5169239939. The reversal of 5169239900 is 99329615.

It is a super-2 number, since 2×5169239900² = 53442082287504020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241640 + ... + 262160.

Almost surely, 2^5169239900 is an apocalyptic number.

5169239900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5169239900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6145518120).

5169239900 is an abundant number, since it is smaller than the sum of its proper divisors (7121796340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5169239900 is a wasteful number, since it uses less digits than its factorization.

5169239900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775 (or 20768 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 5169239900 is about 71897.4262404434. The cubic root of 5169239900 is about 1729.0553498250.

The spelling of 5169239900 in words is "five billion, one hundred sixty-nine million, two hundred thirty-nine thousand, nine hundred".